. >> you know, erin mclaughlin joins us from london. what does this discovery of richard iii mean? >> hi, christine. historians really think this is an opportunity to rewrite history. these are the culmination of months of detailed analysis, including dna testing, radio carbon testing, environmental sampling, and not only tell us beyond any sort of reasonable doubt that this was, in fact, richard iii, but they begin to paint a picture as to who this man was. he was 32 years old when he died. he was suffered from severe scoliosis or curvature of the spine, died at the battle of bosworth due to blunt trauma at the back of his head. his naked body strewn to a horse, brought to a grave and hastily dug and thrown in there without a shroud or coffin. we hope this will paint a different picture of richard iii, one that challenges shakespeare's portrayal of a i'll ha vile and evil monster. >> you hear of this story at the tower of london, how he killed his nephews, the little boys. and this was a medieval time when these were the things that dukes and kings did to each other. it's very gru